QRHC

SEC source: 0000921895-25-001937 · form412364002nol_07022025.xml · nonDerivative · entry 1

Nolan Stephen A · CIK 0001578531 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 73,868

F1 · shares: These reported securities represent deferred stock units ("DSUs") granted under the Issuer's 2024 Incentive Compensation Plan. The shares of common stock underlying such DSUs shall be issued upon the Reporting Person's separation from service with the Issuer.

F2 · balance_after: The reported securities include (a) 63,657 DSUs granted under the Issuer's 2012 Incentive Compensation Plan and (b) 10,211 DSUs granted under the Issuer's 2024 Incentive Compensation Plan. The shares of common stock underlying such DSUs shall be issued upon the Reporting Person's separation from service with the Issuer.

SEC source: 0000921895-25-001878 · form412364002mos_06302025.xml · derivative · entry 3

Moss Perry W. · CIK 0002025483 · President and CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 13,333

Underlying: Common Stock · 6,667 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F2 · derivative.exercise_price: RSUs convert into common stock on a one-for-one basis.

F4 · derivative.exercise_date: One-third of this RSU grant vested on June 26, 2025 and thereafter, an additional one-third shall vest on each of June 26, 2026 and June 26, 2027.

F4 · derivative.expiration_date: One-third of this RSU grant vested on June 26, 2025 and thereafter, an additional one-third shall vest on each of June 26, 2026 and June 26, 2027.

SEC source: 0000921895-25-001878 · form412364002mos_06302025.xml · nonDerivative · entry 2

Moss Perry W. · CIK 0002025483 · President and CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 255,875

F3 · balance_after: Includes (a) 13,333 RSUs that are scheduled to vest in two equal installments on June 26, 2026 and June 26, 2027, (b) 214,600 RSUs that are scheduled to vest in three equal installments on March 12, 2026, March 12, 2027 and March 12, 2028, (c) 5,537 shares of deferred stock units ("DSUs") (such shares of common stock underlying such DSUs shall be issued upon the Reporting Person's separation from service with the Issuer) and (d) 22,405 shares of common stock beneficially owned by the Reporting Person.

SEC source: 0000921895-25-001878 · form412364002mos_06302025.xml · nonDerivative · entry 1

Moss Perry W. · CIK 0002025483 · President and CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 257,933

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · kind: Represents the vesting of one-third of the restricted stock units ("RSUs") granted on June 26, 2024. Each RSU represents a contingent right to receive one share of common stock upon vesting.

F2 · price: RSUs convert into common stock on a one-for-one basis.

SEC source: 0000921895-25-001879 · form412364002swe_06302025.xml · derivative · entry 4

Sweitzer David P · CIK 0001685530 · EVP and COO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 16,667

Underlying: Common Stock · 8,333 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F2 · derivative.exercise_price: RSUs convert into common stock on a one-for-one basis.

F4 · derivative.exercise_date: One-third of this RSU grant vested on June 26, 2025 and thereafter, an additional one-third shall vest on each of June 26, 2026 and June 26, 2027.

F4 · derivative.expiration_date: One-third of this RSU grant vested on June 26, 2025 and thereafter, an additional one-third shall vest on each of June 26, 2026 and June 26, 2027.

SEC source: 0000921895-25-001879 · form412364002swe_06302025.xml · nonDerivative · entry 2

Sweitzer David P · CIK 0001685530 · EVP and COO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 14,233

SEC source: 0000921895-25-001879 · form412364002swe_06302025.xml · nonDerivative · entry 1

Sweitzer David P · CIK 0001685530 · EVP and COO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 16,844

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · kind: Represents the vesting of one third of the restricted stock units ("RSUs") granted on June 26, 2024. Each RSU represents a contingent right to receive one share of common stock upon vesting.

F2 · price: RSUs convert into common stock on a one-for-one basis.

SEC source: 0000921895-25-001877 · form412364002joh_06302025.xml · derivative · entry 3

Johnston Brett Wade · CIK 0001950481 · Sr. VP of Finance and CFO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 13,333

Underlying: Common Stock · 6,667 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F2 · derivative.exercise_price: RSUs convert into common stock on a one-for-one basis.

F3 · derivative.exercise_date: One-third of this restricted stock unit grant vested on June 26, 2025 and thereafter, an additional one-third shall vest on each of June 26, 2026 and June 26, 2027.

F3 · derivative.expiration_date: One-third of this restricted stock unit grant vested on June 26, 2025 and thereafter, an additional one-third shall vest on each of June 26, 2026 and June 26, 2027.

SEC source: 0000921895-25-001877 · form412364002joh_06302025.xml · nonDerivative · entry 2

Johnston Brett Wade · CIK 0001950481 · Sr. VP of Finance and CFO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 34,250

SEC source: 0000921895-25-001877 · form412364002joh_06302025.xml · nonDerivative · entry 1

Johnston Brett Wade · CIK 0001950481 · Sr. VP of Finance and CFO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 36,226

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · kind: Represents the vesting of one third of the restricted stock units ("RSUs") granted on June 6, 2024. Each RSU represents a contingent right to receive one share of common stock upon vesting.

F2 · price: RSUs convert into common stock on a one-for-one basis.

SEC source: 0000921895-25-001688 · form412364002tom_06032025.xml · nonDerivative · entry 1

Tomolonius Sarah · CIK 0001685481 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 26,464

F1 · shares: These reported securities represent deferred stock units granted under the Issuer's 2024 Incentive Compensation Plan. These shares of common stock underlying such deferred stock units shall be issued upon the Reporting Person's separation from service with the Issuer.

F2 · balance_after: The reported securities include (a) 18,027 deferred stock units granted under the Issuer's 2012 Incentive Compensation Plan and (b) 8,437 deferred stock units granted under the Issuer's 2024 Incentive Compensation Plan. The shares of common stock underlying such deferred stock units shall be issued upon the Reporting Person's separation from service with the Issuer.

SEC source: 0000921895-25-001687 · form412364002nol_06032025.xml · nonDerivative · entry 1

Nolan Stephen A · CIK 0001578531 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 72,136

F1 · shares: These reported securities represent deferred stock units granted under the Issuer's 2024 Incentive Compensation Plan. These shares of common stock underlying such deferred stock units shall be issued upon the Reporting Person's separation from service with the Issuer.

F2 · balance_after: The reported securities include (a) 63,657 deferred stock units granted under the Issuer's 2012 Incentive Compensation Plan and (b) 8,479 deferred stock units granted under the Issuer's 2024 Incentive Compensation Plan. The shares of common stock underlying such deferred stock units shall be issued upon the Reporting Person's separation from service with the Issuer.

SEC source: 0000921895-25-001683 · form412364002cul_06032025.xml · nonDerivative · entry 1

Culpepper Glenn · CIK 0001566800 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 21,629

F1 · shares: These reported securities represent deferred stock units granted under the Issuer's 2024 Incentive Compensation Plan. These shares of common stock underlying such deferred stock units shall be issued upon the Reporting Person's separation from service with the Issuer.

F2 · balance_after: The reported securities include (a) 15,000 deferred stock units granted under the Issuer's 2012 Incentive Compensation Plan and (b) 6,629 deferred stock units granted under the Issuer's 2024 Incentive Compensation Plan. The shares of common stock underlying such deferred stock units shall be issued upon the Reporting Person's separation from service with the Issuer.

SEC source: 0000921895-25-001256 · form412364002tom_05022025.xml · nonDerivative · entry 1

Tomolonius Sarah · CIK 0001685481 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 24,874

F1 · shares: These reported securities represent deferred stock units granted under the Issuer's 2024 Incentive Compensation Plan. These shares of common stock underlying such deferred stock units shall be issued upon the Reporting Person's separation from service with the Issuer.

F2 · balance_after: The reported securities include (a) 18,027 deferred stock units granted under the Issuer's 2012 Incentive Compensation Plan and (b) 6,847 deferred stock units granted under the Issuer's 2024 Incentive Compensation Plan. The shares of common stock underlying such deferred stock units shall be issued upon the Reporting Person's separation from service with the Issuer.

SEC source: 0000921895-25-001257 · form412364002nol_05022025.xml · nonDerivative · entry 1

Nolan Stephen A · CIK 0001578531 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 70,546

F1 · shares: These reported securities represent deferred stock units granted under the Issuer's 2024 Incentive Compensation Plan. These shares of common stock underlying such deferred stock units shall be issued upon the Reporting Person's separation from service with the Issuer.

F2 · balance_after: The reported securities include (a) 63,657 deferred stock units granted under the Issuer's 2012 Incentive Compensation Plan and (b) 6,889 deferred stock units granted under the Issuer's 2024 Incentive Compensation Plan. The shares of common stock underlying such deferred stock units shall be issued upon the Reporting Person's separation from service with the Issuer.

SEC source: 0000921895-25-001259 · form412364002cul_05022025.xml · nonDerivative · entry 1

Culpepper Glenn · CIK 0001566800 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 19,243

F1 · shares: These reported securities represent deferred stock units granted under the Issuer's 2024 Incentive Compensation Plan. These shares of common stock underlying such deferred stock units shall be issued upon the Reporting Person's separation from service with the Issuer.

F2 · balance_after: The reported securities include (a) 15,000 deferred stock units granted under the Issuer's 2012 Incentive Compensation Plan and (b) 4,243 deferred stock units granted under the Issuer's 2024 Incentive Compensation Plan. The shares of common stock underlying such deferred stock units shall be issued upon the Reporting Person's separation from service with the Issuer.

SEC source: 0000921895-25-001084 · form412364002_04152025.xml · derivative · entry 3

Hatch S. Ray · CIK 0001663269 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 30,000 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: Restricted stock units convert into common stock on a one-for-one basis.

F3 · derivative.exercise_date: Reflects a grant of 30,000 restricted stock units awarded to the Reporting Person on June 26, 2024, which was deemed fully vested upon the termination of the Reporting Person's employment as the Chief Executive Officer of the Issuer.

F3 · derivative.expiration_date: Reflects a grant of 30,000 restricted stock units awarded to the Reporting Person on June 26, 2024, which was deemed fully vested upon the termination of the Reporting Person's employment as the Chief Executive Officer of the Issuer.

SEC source: 0000921895-25-001084 · form412364002_04152025.xml · nonDerivative · entry 1

Hatch S. Ray · CIK 0001663269 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 80,774

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · price: Restricted stock units convert into common stock on a one-for-one basis.

SEC source: 0000921895-25-000960 · form412364002tom_04022025.xml · nonDerivative · entry 1

Tomolonius Sarah · CIK 0001685481 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 23,391

F1 · shares: These reported securities represent deferred stock units granted under the Issuer's 2024 Incentive Compensation Plan. These shares of common stock underlying such deferred stock units shall be issued upon the Reporting Person's separation from service with the Issuer.

F2 · balance_after: The reported securities include (a) 18,027 deferred stock units granted under the Issuer's 2012 Incentive Compensation Plan and (b) 5,364 deferred stock units granted under the Issuer's 2024 Incentive Compensation Plan. The shares of common stock underlying such deferred stock units shall be issued upon the Reporting Person's separation from service with the Issuer.

SEC source: 0000921895-25-000962 · form412364002fri_04022025.xml · nonDerivative · entry 1

FRIEDBERG DANIEL M. · CIK 0001448795 · Director · 10% owner

Hampstead Park Capital Management, LLC · CIK 0001773816 · 10% owner

Hampstead Park Environmental Services Investment Fund LLC · CIK 0001773840 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 39,584

F1 · shares: These reported securities represent deferred stock units granted under the Issuer's 2024 Incentive Compensation Plan. These shares of common stock underlying such deferred stock units shall be issued upon Mr. Friedberg's separation from service with the Issuer.

F2 · balance_after: The reported securities include (a) 18,153 deferred stock units granted under the Issuer's 2012 Incentive Compensation Plan and (b) 21,431 deferred stock units granted under the Issuer's 2024 Incentive Compensation Plan. The shares of common stock underlying such deferred stock units shall be issued upon Mr. Friedberg's separation from service with the Issuer.

SEC source: 0000921895-25-000964 · form412364002dun_04022025.xml · nonDerivative · entry 1

Dunning Audrey · CIK 0001800836 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,893

F1 · shares: These reported securities represent deferred stock units granted under the Issuer's 2024 Incentive Compensation Plan. These shares of common stock underlying such deferred stock units shall be issued upon the Reporting Person's separation from service with the Issuer.

SEC source: 0000921895-25-000961 · form412364002cul_04022025.xml · nonDerivative · entry 2

Culpepper Glenn · CIK 0001566800 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 17,019

F3 · shares: These reported securities represent deferred stock units granted under the Issuer's 2024 Incentive Compensation Plan. These shares of common stock underlying such deferred stock units shall be issued upon the Reporting Person's separation from service with the Issuer.

F4 · balance_after: The reported securities include (a) 15,000 deferred stock units granted under the Issuer's 2012 Incentive Compensation Plan and (b) 2,019 deferred stock units granted under the Issuer's 2024 Incentive Compensation Plan. The shares of common stock underlying such deferred stock units shall be issued upon the Reporting Person's separation from service with the Issuer.

SEC source: 0000921895-25-000963 · form412364002nol_04022025.xml · nonDerivative · entry 1

Nolan Stephen A · CIK 0001578531 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 69,063

F1 · shares: These reported securities represent deferred stock units granted under the Issuer's 2024 Incentive Compensation Plan. These shares of common stock underlying such deferred stock units shall be issued upon the Reporting Person's separation from service with the Issuer.

F2 · balance_after: The reported securities include (a) 63,657 deferred stock units granted under the Issuer's 2012 Incentive Compensation Plan and (b) 5,406 deferred stock units granted under the Issuer's 2024 Incentive Compensation Plan. The shares of common stock underlying such deferred stock units shall be issued upon the Reporting Person's separation from service with the Issuer.

SEC source: 0000921895-25-000829 · form412364002_03202025.xml · nonDerivative · entry 2

FRIEDBERG DANIEL M. · CIK 0001448795 · Director · 10% owner

Hampstead Park Capital Management, LLC · CIK 0001773816 · 10% owner

Hampstead Park Environmental Services Investment Fund LLC · CIK 0001773840 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: No plan indicated

Ownership: Indirect · By: Hampstead Park Environmental Services Investment Fund LLC

Disclosed balance after: 2,825,121

F2 · price: The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $2.895 to $2.99, inclusive. The Reporting Persons undertake to provide the Issuer and any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, further information regarding the number of shares purchased at each separate price such shares were purchased.

F3 · ownership.nature: This Form 4 is filed jointly by Hampstead Park Environmental Services Investment Fund LLC ("Hampstead Park Environmental"), Daniel Friedberg and Hampstead Park Capital Management, LLC ("Hampstead Park Capital"). Hampstead Park Capital is the sole member of Hampstead Park Environmental, and Mr. Friedberg is the Chief Executive Officer of Hampstead Park Capital; each may therefore be deemed to control Hampstead Park Environmental. In addition, Mr. Friedberg is a Director of the Issuer.

SEC source: 0000921895-25-000814 · form412364002dun_03192025.xml · nonDerivative · entry 1

Dunning Audrey · CIK 0001800836 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 18,076

SEC source: 0000921895-25-000812 · form412364002nol_03192025.xml · nonDerivative · entry 1

Nolan Stephen A · CIK 0001578531 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 82,176

F1 · shares: Represent shares of common stock of the Issuer purchased by the Reporting Person jointly with his spouse.

F2 · balance_after: Includes 1,000 shares of common stock of the Issuer that were inherited and held jointly by the Reporting Person and his spouse.

SEC source: 0000921895-25-000829 · form412364002_03202025.xml · nonDerivative · entry 1

FRIEDBERG DANIEL M. · CIK 0001448795 · Director · 10% owner

Hampstead Park Capital Management, LLC · CIK 0001773816 · 10% owner

Hampstead Park Environmental Services Investment Fund LLC · CIK 0001773840 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: No plan indicated

Ownership: Indirect · By: Hampstead Park Environmental Services Investment Fund LLC

Disclosed balance after: 2,822,547

F1 · price: The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $2.85 to $3.00, inclusive. The Reporting Persons undertake to provide the Issuer and any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, further information regarding the number of shares purchased at each separate price such shares were purchased.

F3 · ownership.nature: This Form 4 is filed jointly by Hampstead Park Environmental Services Investment Fund LLC ("Hampstead Park Environmental"), Daniel Friedberg and Hampstead Park Capital Management, LLC ("Hampstead Park Capital"). Hampstead Park Capital is the sole member of Hampstead Park Environmental, and Mr. Friedberg is the Chief Executive Officer of Hampstead Park Capital; each may therefore be deemed to control Hampstead Park Environmental. In addition, Mr. Friedberg is a Director of the Issuer.

SEC source: 0000921895-25-000789 · form412364002_03172025.xml · nonDerivative · entry 1

Hatch S. Ray · CIK 0001663269 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 50,774

SEC source: 0000921895-25-000813 · form412364002mos_03192025.xml · nonDerivative · entry 1

Moss Perry W. · CIK 0002025483 · President and CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 257,933

F1 · balance_after: Includes (a) 20,000 restricted stock units ("RSUs") that are scheduled to vest in three equal installments on June 26, 2025, June 26, 2026 and June 26, 2027, (b) 214,600 RSUs that are scheduled to vest in three equal installments on March 12, 2026, March 12, 2027 and March 12, 2028, (c) 5,537 shares of deferred stock units ("DSUs") (such shares of common stock underlying such DSUs shall be issued upon the Reporting Person's separation from service with the Issuer) and (d) 17,796 shares of common stock beneficially owned by the Reporting Person.

SEC source: 0000921895-25-000750 · form412364002_03122025.xml · nonDerivative · entry 1

Moss Perry W. · CIK 0002025483 · President and CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 241,595

F1 · shares: Represents restricted stock units ("RSUs") granted to the Reporting Person on March 12, 2025 (the "Grant Date") and is subject to the terms and conditions of the Issuer's 2024 Incentive Compensation Plan. Each RSU represents a contingent right to receive one share of the Issuer's common stock upon vesting. The RSUs are scheduled to vest as follows: one-third upon the first anniversary of the Grant Date, one-third upon the second anniversary of the Grant Date, and one-third upon the third anniversary of the Grant Date.

F2 · balance_after: Includes (a) 20,000 restricted stock units that are scheduled to vest in three equal installments on June 26, 2025, June 26, 2026 and June 26, 2027, (b) 5,537 shares of deferred stock units ("DSUs") (such shares of common stock underlying such DSUs shall be issued upon the Reporting Person's separation from service with the Issuer) and (c) 1,458 shares of common stock beneficially owned by the Reporting Person.

SEC source: 0000921895-25-000691 · form412364002tom_03042025.xml · nonDerivative · entry 1

Tomolonius Sarah · CIK 0001685481 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 21,498

F1 · shares: The reported securities represent deferred stock units granted under the Issuer's 2024 Incentive Compensation Plan. The shares of common stock underlying such deferred stock units shall be issued upon the Reporting Person's separation from service with the Issuer.

SEC source: 0000921895-25-000690 · form412364002nol_03042025.xml · nonDerivative · entry 1

Nolan Stephen A · CIK 0001578531 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 67,128

F1 · shares: The reported securities represent deferred stock units granted under the Issuer's 2024 Incentive Compensation Plan. The shares of common stockunderlying such deferred stock units shall be issued upon the Reporting Person's separation from service with the Issuer.

SEC source: 0000921895-25-000246 · form412364002tom_02042025.xml · nonDerivative · entry 2

Tomolonius Sarah · CIK 0001685481 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 15,598

F3 · shares: The reported securities represent deferred stock units granted under the Issuer's 2024 Incentive Compensation Plan. The shares of common stock underlying such deferred stock units shall be issued upon the Reporting Person's separation from service with the Issuer.

SEC source: 0000921895-25-000247 · form412364002nol_02042025.xml · nonDerivative · entry 2

Nolan Stephen A · CIK 0001578531 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 49,597

F3 · shares: The reported securities represent deferred stock units granted under the Issuer's 2024 Incentive Compensation Plan. The shares of common stockunderlying such deferred stock units shall be issued upon the Reporting Person's separation from service with the Issuer.

SEC source: 0000921895-25-000353 · form512364002tom_02102025.xml · nonDerivative · entry 12

Tomolonius Sarah · CIK 0001685481 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 20,733

F2 · shares: The reported securities represent deferred stock units granted under the Issuer's 2024 Incentive Compensation Plan. The shares of common stock underlying such deferred stock units shall be issued upon the Reporting Person's separation from service with the Issuer.

SEC source: 0000921895-25-000354 · form512364002nol_02102025.xml · nonDerivative · entry 13

Nolan Stephen A · CIK 0001578531 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 66,363

F4 · shares: The reported securities represent deferred stock units granted under the Issuer's 2024 Incentive Compensation Plan. The shares of common stock underlying such deferred stock units shall be issued upon the Reporting Person's separation from service with the Issuer.

SEC source: 0000921895-24-003030 · form412364002_12262024.xml · nonDerivative · entry 1

Culpepper Glenn · CIK 0001566800 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 6,000

SEC source: 0000921895-25-000353 · form512364002tom_02102025.xml · nonDerivative · entry 11

Tomolonius Sarah · CIK 0001685481 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 20,195

F2 · shares: The reported securities represent deferred stock units granted under the Issuer's 2024 Incentive Compensation Plan. The shares of common stock underlying such deferred stock units shall be issued upon the Reporting Person's separation from service with the Issuer.

SEC source: 0000921895-25-000354 · form512364002nol_02102025.xml · nonDerivative · entry 12

Nolan Stephen A · CIK 0001578531 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 65,825

F4 · shares: The reported securities represent deferred stock units granted under the Issuer's 2024 Incentive Compensation Plan. The shares of common stock underlying such deferred stock units shall be issued upon the Reporting Person's separation from service with the Issuer.

SEC source: 0000921895-24-002792 · form412364002_11222024.xml · nonDerivative · entry 2

Dunning Audrey · CIK 0001800836 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 15,576

SEC source: 0000921895-24-002768 · form412364002joh_11182024.xml · nonDerivative · entry 1

Johnston Brett Wade · CIK 0001950481 · Sr. VP of Finance and CFO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 29,559

F1 · kind: The shares were acquired under the Issuer's employee stock purchase plan in a transaction that was exempt under both Rule 16b-3(d) and Rule 16b-3(c).

F2 · price: Pursuant to the terms of the Issuer's employee stock purchase plan, the price is equal to 85% of the lesser of (i) the market value of the shares on the offering date (May 15, 2024) and (ii) the market value of the shares on the purchase date of the offering which is the last business day of the applicable offering period.

SEC source: 0000921895-24-002767 · form412364002hat_11182024.xml · nonDerivative · entry 1

Hatch S. Ray · CIK 0001663269 · Director · President and CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 45,774

F1 · kind: The shares were acquired under the Issuer's employee stock purchase plan in a transaction that was exempt under both Rule 16b-3(d) and Rule 16b-3(c).

F2 · price: Pursuant to the terms of the Issuer's employee stock purchase plan, the price is equal to 85% of the lesser of (i) the market value of the shares on the offering date (May 15, 2024) and (ii) the market value of the shares on the purchase date of the offering which is the last business day of the applicable offering period.

SEC source: 0000921895-24-002595 · form412364002_11122024.xml · nonDerivative · entry 1

Hatch S. Ray · CIK 0001663269 · Director · President and CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 44,149

F1 · price: The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $7.139 to $7.19, inclusive. The Reporting Person undertakes to provide the Issuer and any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, further information regarding the number of shares purchased at each separate price such shares were purchased.

SEC source: 0000921895-25-000353 · form512364002tom_02102025.xml · nonDerivative · entry 10

Tomolonius Sarah · CIK 0001685481 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 19,717

F2 · shares: The reported securities represent deferred stock units granted under the Issuer's 2024 Incentive Compensation Plan. The shares of common stock underlying such deferred stock units shall be issued upon the Reporting Person's separation from service with the Issuer.

SEC source: 0000921895-25-000354 · form512364002nol_02102025.xml · nonDerivative · entry 11

Nolan Stephen A · CIK 0001578531 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 65,347

F4 · shares: The reported securities represent deferred stock units granted under the Issuer's 2024 Incentive Compensation Plan. The shares of common stock underlying such deferred stock units shall be issued upon the Reporting Person's separation from service with the Issuer.

SEC source: 0000921895-25-000353 · form512364002tom_02102025.xml · nonDerivative · entry 9

Tomolonius Sarah · CIK 0001685481 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 19,269

F2 · shares: The reported securities represent deferred stock units granted under the Issuer's 2024 Incentive Compensation Plan. The shares of common stock underlying such deferred stock units shall be issued upon the Reporting Person's separation from service with the Issuer.

SEC source: 0000921895-25-000352 · form512364002fri_02102025.xml · nonDerivative · entry 5

FRIEDBERG DANIEL M. · CIK 0001448795 · Director · 10% owner

Hampstead Park Capital Management, LLC · CIK 0001773816 · 10% owner

Hampstead Park Environmental Services Investment Fund LLC · CIK 0001773840 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 28,112

F4 · shares: The reported securities represent deferred stock units granted under the Issuer's 2024 Incentive Compensation Plan. The shares of common stock underlying such deferred stock units shall be issued upon Mr. Friedberg's separation from service with the Issuer.

SEC source: 0000921895-25-000354 · form512364002nol_02102025.xml · nonDerivative · entry 10

Nolan Stephen A · CIK 0001578531 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 64,899

F4 · shares: The reported securities represent deferred stock units granted under the Issuer's 2024 Incentive Compensation Plan. The shares of common stock underlying such deferred stock units shall be issued upon the Reporting Person's separation from service with the Issuer.

SEC source: 0000921895-25-000353 · form512364002tom_02102025.xml · nonDerivative · entry 8

Tomolonius Sarah · CIK 0001685481 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 18,831

F2 · shares: The reported securities represent deferred stock units granted under the Issuer's 2024 Incentive Compensation Plan. The shares of common stock underlying such deferred stock units shall be issued upon the Reporting Person's separation from service with the Issuer.

SEC source: 0000921895-25-000352 · form512364002fri_02102025.xml · nonDerivative · entry 4

FRIEDBERG DANIEL M. · CIK 0001448795 · Director · 10% owner

Hampstead Park Capital Management, LLC · CIK 0001773816 · 10% owner

Hampstead Park Environmental Services Investment Fund LLC · CIK 0001773840 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 24,614

F4 · shares: The reported securities represent deferred stock units granted under the Issuer's 2024 Incentive Compensation Plan. The shares of common stock underlying such deferred stock units shall be issued upon Mr. Friedberg's separation from service with the Issuer.